This is a collection of testing tools that we will be compiling, so this list may grow.

Let’s assume that we have installed zsh and two versions of Java on our computer (Java 17, Java 11). To conveniently change the Java version, we can create a function in the .zsh file and just run a command that will be equal to the name of the function and we will be able to change it.

How to deserialize from json to a class without using a custom deserializer.

Sometimes it is interesting to simulate errors in the database to test certain cases, with the following steps we can simulate a failure in the mongodb database locally.
We use a mongodb running in docker.
Steps:

Maven has to main plugins to run tests:

• maven-surefire-plugin: It is designed to run unit tests, it will run tests inside classes with “Test” in their class name.
• maven-failsafe-plugin: It is designed to run integration tests, it will run tests inside classes with “IT” in their class name.

Here are some interesting utilities for working with dates in java: